Hi Sai,
Please find the article below
1. http://scn.sap.com/message/196269
You can download the jdbc drivers by following the sapnote
639702 - JDBC Driver for Microsoft SQL Server
How to apply the patches (which depends on your PI Version /XI version)
1138877 - How to Deploy External Drivers JDBC/JMS Adapters
Procedure to apply the drivers
1770304 - PI: How to prepare the com.sap.aii.adapter.lib.sda for deployment
1770206 - PI: How to extract the archive for deploying 3rd party drivers
With Regards
Ashutosh Chaturvedi